| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 8617 |
| Windscreen wiper does not clear the windscreen effectively | 6332 |
| Headlamp aim out of alignment | 5563 |
| Brake pipe excessively corroded | 5274 |
| Brakes imbalanced across an axle | 1717 |
| Front brake disc in such a condition that it is seriously weakened | 1295 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1234 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1029 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 973 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 942 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 939 |
| Rear brake binding | 932 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 904 |
| Offside Stop lamp not working |1.2.1b| | 871 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 858 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 852 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 741 |
| Nearside Stop lamp not working |1.2.1b| | 738 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 731 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 582 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 534 |
| Registration plate issues | 532 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 529 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 523 |
| Parking brake: efficiency below requirements |3.7.B.7| | 477 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 436 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 435 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 424 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 393 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 376 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 374 |
| Rear parking brake recording little or no effort | 367 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 365 |
| Offside Rear Stop lamp not working |1.2.1b| | 350 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 344 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 329 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 325 |
| Offside Front Position lamp not working |4.2.1 |a|| | 323 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 322 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 318 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 307 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 306 |
| Emissions not tested (8.2.1.2 (d)) | 304 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 303 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 295 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 281 |
| Nearside Rear Stop lamp not working |1.2.1b| | 280 |
| Windscreen washer not working | 273 |
| Hazard warning switch faulty |1.4.B.1d| | 268 |
| Rear Exhaust system not adequately supported |7.1.1| | 268 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 262 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 257 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 253 |
| Front brake excessively fluctuating | 252 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 251 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 238 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 237 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 230 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 229 |
| Parking brake lever has no reserve travel |3.1.6b| | 226 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 221 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 217 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 211 |
| Front brake application uneven | 209 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 208 |
| Anti-lock braking system warning lamp indicates an ABS fault | 202 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 199 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 198 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 189 |
| Windscreen wiper blade insecure | 188 |
| Indicator switch faulty |1.4.A.1| | 182 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 182 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 181 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 174 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 156 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 156 |
| Horn not working |1.6.2a| | 153 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 149 |
| Exhaust system not adequately supported |7.1.1| | 148 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 147 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 143 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 142 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 141 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 141 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 139 |
| All direction indicators not working (4.4.1 (a) (ii)) | 138 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 133 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 132 |
| Brake hose excessively deteriorated | 132 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 130 |